Microscopic unitary description of tidal excitations in high-energy string-brane collisions

D'Appollonio Giuseppe; Paolo di Vecchia; Rodolfo Russo; Gabriele Veneziano

doi:10.1007/JHEP11(2013)126

Microscopic unitary description of tidal excitations in high-energy string-brane collisions

D'Appollonio Giuseppe, Paolo di Vecchia, Rodolfo Russo, Gabriele Veneziano

Theoretical high energy, astroparticle and gravitational physics

13 Citations (Scopus)

Abstract

The eikonal operator was originally introduced to describe the effect of tidal excitations on higher-genus elastic string amplitudes at high energy. In this paper we provide a precise interpretation for this operator through the explicit tree-level calculation of generic inelastic transitions between closed strings as they scatter off a stack of parallel Dp-branes. We perform this analysis both in the light-cone gauge, using the Green-Schwarz vertex, and in the covariant formalism, using the Reggeon vertex operator. We also present a detailed discussion of the high-energy behaviour of the covariant string amplitudes, showing how to take into account the energy factors that enhance the contribution of the longitudinally polarized massive states in a simple way.

Original language	English
Article number	126
Journal	Journal of High Energy Physics (Online)
Volume	2013
Issue number	11
ISSN	1126-6708
DOIs	https://doi.org/10.1007/JHEP11(2013)126
Publication status	Published - 14 Nov 2013

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title = "Microscopic unitary description of tidal excitations in high-energy string-brane collisions",

abstract = "The eikonal operator was originally introduced to describe the effect of tidal excitations on higher-genus elastic string amplitudes at high energy. In this paper we provide a precise interpretation for this operator through the explicit tree-level calculation of generic inelastic transitions between closed strings as they scatter off a stack of parallel Dp-branes. We perform this analysis both in the light-cone gauge, using the Green-Schwarz vertex, and in the covariant formalism, using the Reggeon vertex operator. We also present a detailed discussion of the high-energy behaviour of the covariant string amplitudes, showing how to take into account the energy factors that enhance the contribution of the longitudinally polarized massive states in a simple way.",

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AU - Giuseppe, D'Appollonio

AU - di Vecchia, Paolo

AU - Russo, Rodolfo

AU - Veneziano, Gabriele

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N2 - The eikonal operator was originally introduced to describe the effect of tidal excitations on higher-genus elastic string amplitudes at high energy. In this paper we provide a precise interpretation for this operator through the explicit tree-level calculation of generic inelastic transitions between closed strings as they scatter off a stack of parallel Dp-branes. We perform this analysis both in the light-cone gauge, using the Green-Schwarz vertex, and in the covariant formalism, using the Reggeon vertex operator. We also present a detailed discussion of the high-energy behaviour of the covariant string amplitudes, showing how to take into account the energy factors that enhance the contribution of the longitudinally polarized massive states in a simple way.

AB - The eikonal operator was originally introduced to describe the effect of tidal excitations on higher-genus elastic string amplitudes at high energy. In this paper we provide a precise interpretation for this operator through the explicit tree-level calculation of generic inelastic transitions between closed strings as they scatter off a stack of parallel Dp-branes. We perform this analysis both in the light-cone gauge, using the Green-Schwarz vertex, and in the covariant formalism, using the Reggeon vertex operator. We also present a detailed discussion of the high-energy behaviour of the covariant string amplitudes, showing how to take into account the energy factors that enhance the contribution of the longitudinally polarized massive states in a simple way.

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JO - Journal of High Energy Physics (Online)

JF - Journal of High Energy Physics (Online)

IS - 11

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ER -

Microscopic unitary description of tidal excitations in high-energy string-brane collisions

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